org.apache.lucene.search.similarities

Class RandomSimilarity

java.lang.Object

org.apache.lucene.search.similarities.Similarity

org.apache.lucene.search.similarities.PerFieldSimilarityWrapper

org.apache.lucene.search.similarities.RandomSimilarity

public class RandomSimilarity
extends PerFieldSimilarityWrapper

Similarity implementation that randomizes Similarity implementations per-field.

The choices are 'sticky', so the selected algorithm is always used for the same field.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.similarities.Similarity

Similarity.SimScorer, Similarity.SimWeight

Constructor Summary

Constructors

Constructor and Description
RandomSimilarity(java.util.Random random)

Method Summary

Modifier and Type	Method and Description
Similarity	get(java.lang.String field) Returns a Similarity for scoring a field.
java.lang.String	toString()

Methods inherited from class org.apache.lucene.search.similarities.PerFieldSimilarityWrapper

computeNorm, computeWeight, simScorer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RandomSimilarity

public RandomSimilarity(java.util.Random random)

Method Detail

get

public Similarity get(java.lang.String field)

Description copied from class: PerFieldSimilarityWrapper

Returns a Similarity for scoring a field.

Specified by:

get in class PerFieldSimilarityWrapper

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object